56874056887 has 2 divisors, whose sum is σ = 56874056888. Its totient is φ = 56874056886.

The previous prime is 56874056881. The next prime is 56874056893. The reversal of 56874056887 is 78865047865.

It is a balanced prime because it is at equal distance from previous prime (56874056881) and next prime (56874056893).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56874056887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56874056881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28437028443 + 28437028444.

It is an arithmetic number, because the mean of its divisors is an integer number (28437028444).

Almost surely, 2^56874056887 is an apocalyptic number.

56874056887 is a deficient number, since it is larger than the sum of its proper divisors (1).

56874056887 is an equidigital number, since it uses as much as digits as its factorization.

56874056887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90316800, while the sum is 64.

The spelling of 56874056887 in words is "fifty-six billion, eight hundred seventy-four million, fifty-six thousand, eight hundred eighty-seven".